TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 12:16 PM EST
Kalshi
The opening set between Harriet Dart and Peyton Stearns at the 2026 US Open will gauge initial strength and strategy. This set can often determine the early advantage and set the stage for the rest of the match.
If Harriet Dart wins set 1 in the Harriet Dart vs Peyton Stearns professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes. If Peyton Stearns wins set 1 in the Harriet Dart vs Peyton Stearns professional tennis match in the 2026 US Open Women Singles Round Of 128, then the market resolves to Yes.